| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 311 |
41%
|
| 2 | Somewhat difficult | 289 |
38.1%
|
| 3 | Not difficult at all | 134 |
17.7%
|
| 4 | (DK) | 22 |
2.9%
|
| 5 | (ref) | 2 |
0.3%
|
| Sysmiss | 244 |